<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <div id="main" style="width: 760px;height:400px;"></div>

    </el-card>
  </div>
</template>

<script>
import echarts from "echarts"
import _ from "lodash"
export default {
  data(){
    return {
      options: {
 title: {
 text: '用户来源'
 },
 tooltip: {
 trigger: 'axis',
 axisPointer: {
 type: 'cross',
 label: {
 backgroundColor: '#E9EEF3'
 }
 }
 },
 grid: {
 left: '3%',
 right: '4%',
 bottom: '3%',
 containLabel: true
 },
 xAxis: [
 {
 boundaryGap: false
 }
 ],
 yAxis: [
 {
 type: 'value'
 }
 ]
 }
    }
  },
  async  mounted(){
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'));
    const {data:res} = await this.$http.get('reports/type/1')
    if(res.meta.status !==  200){
       return this.message.error(`获取折线图失败`)
    }
    var option = {
        title: {
          text: 'ECharts 入门示例'
        },
        tooltip: {},
        legend: {
          data: ['销量']
        },
        xAxis: {
          data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
        },
        yAxis: {},
        series: [
          {
            name: '销量',
            type: 'bar',
            data: [5, 20, 36, 10, 10, 20]
          }
        ]
      };
      const result =  _.merge(res.data,this.options)
      myChart.setOption(result);
  },
  
}
</script>

<style lang="less" scoped>
</style>
